Citizen is Billy Sherwood s newest concept album, including 11 songs written with the theme being a lost soul reincarnated into various periods of history. An impressive list of guest stars appear: Chris Squire, Tony Kaye, Steve Hackett, Geoff Downes, Colin Moulding, Steve Morse, Jerry Goodman, Alan Parsons, Rick Wakeman, Patrick Moraz, Jon Davison, Jordan Rudess and John Wesley. Billy Sherwood is a current member of YES, handpicked by original founding member Chris Squire to replace him before his untimely death in June 2015.